3. Benefits of Providing Multiple Addresses
Today, there are many host functions that require more than one IP
address to be available to the host, including:
o Privacy addressing to prevent tracking by off-network hosts
[RFC4941].
...

It should say:

3. Benefits of Providing Multiple Addresses
Today, there are many host functions that require more than one IP
address to be available to the host, including:
o Privacy addressing to prevent tracking by off-network hosts
[RFC4941].
...
o Other potential use cases such as those described in [RFC1681].

Notes:

Somewhat trivial errata, a reference to RFC1681, " On Many Addresses per Host", would be good to credit Steve's early thoughts, and those which probably in part lead to [TARP]. No urgency to update, a note to include it if this RFC is ever updated.